/* ═══════════════════════════════════════════════════════════════════════════
   Sparkle Design System
   Dark cosmos theme with violet/cyan accent — unified across all pages
   ═══════════════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ── Tokens ───────────────────────────────────────────────────────────────── */
:root {
  --bg:              #060614;
  --bg-2:            #0d0d24;
  --surface:         rgba(255, 255, 255, 0.03);
  --surface-2:       rgba(255, 255, 255, 0.06);
  --surface-hover:   rgba(255, 255, 255, 0.08);
  --primary:         #7c3aed;
  --primary-light:   #a78bfa;
  --primary-dark:    #5b21b6;
  --primary-glow:    rgba(124, 58, 237, 0.35);
  --accent:          #22d3ee;
  --accent-glow:     rgba(34, 211, 238, 0.25);
  --text:            #f1f5f9;
  --text-muted:      #94a3b8;
  --text-dim:        #64748b;
  --border:          rgba(124, 58, 237, 0.25);
  --border-subtle:   rgba(255, 255, 255, 0.07);
  --success:         #10b981;
  --warning:         #f59e0b;
  --danger:          #ef4444;
  --radius:          14px;
  --radius-sm:       8px;
  --radius-lg:       22px;
  --radius-xl:       32px;
  --transition:      0.2s ease;
  --shadow:          0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-glow:     0 0 40px var(--primary-glow);
}

/* ── Reset ────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── Animated star-field background ──────────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 10% 15%, rgba(255,255,255,0.6) 0%, transparent 100%),
    radial-gradient(1px 1px at 25% 60%, rgba(255,255,255,0.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 40% 30%, rgba(255,255,255,0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 55% 80%, rgba(255,255,255,0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 70% 20%, rgba(255,255,255,0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 80% 55%, rgba(255,255,255,0.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 90% 75%, rgba(255,255,255,0.6) 0%, transparent 100%),
    radial-gradient(1px 1px at 15% 90%, rgba(255,255,255,0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 60% 45%, rgba(255,255,255,0.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 35% 10%, rgba(255,255,255,0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 85% 35%, rgba(255,255,255,0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 48% 68%, rgba(255,255,255,0.6) 0%, transparent 100%);
  pointer-events: none;
  z-index: 0;
}

/* ── Ambient gradient blob ────────────────────────────────────────────────── */
body::after {
  content: '';
  position: fixed;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(124,58,237,0.12) 0%, transparent 70%);
  top: -100px;
  right: -100px;
  pointer-events: none;
  z-index: 0;
  animation: blob-drift 12s ease-in-out infinite alternate;
}

@keyframes blob-drift {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(-40px, 60px) scale(1.1); }
}

/* ── Typography ───────────────────────────────────────────────────────────── */
h1, h2, h3, h4 { font-weight: 600; line-height: 1.25; }
a { color: var(--primary-light); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }
p { color: var(--text-muted); }
strong { color: var(--text); font-weight: 600; }

/* ── Layout utility ───────────────────────────────────────────────────────── */
.page-wrap   { position: relative; z-index: 1; min-height: 100vh; }
.container   { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container-sm{ max-width: 480px;  margin: 0 auto; padding: 0 24px; }
.container-md{ max-width: 720px;  margin: 0 auto; padding: 0 24px; }

/* ── Glass card ───────────────────────────────────────────────────────────── */
.glass {
  background: var(--surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
}
.glass-md { border-radius: var(--radius-lg); }
.glass-lg { border-radius: var(--radius-xl); }

/* ── Navbar ───────────────────────────────────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6, 6, 20, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

.navbar-brand .sparkle-icon {
  font-size: 1.4rem;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 8px var(--primary-glow));
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 500;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 4px 16px var(--primary-glow);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px var(--primary-glow);
  color: #fff;
}
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
}
.btn-ghost:hover {
  background: var(--surface-hover);
  color: var(--text);
  border-color: var(--border);
}

.btn-outline {
  background: transparent;
  color: var(--primary-light);
  border: 1px solid var(--border);
}
.btn-outline:hover {
  background: var(--primary-glow);
  color: #fff;
}

.btn-danger {
  background: rgba(239,68,68,0.15);
  color: var(--danger);
  border: 1px solid rgba(239,68,68,0.3);
}
.btn-danger:hover { background: rgba(239,68,68,0.25); }

.btn-lg { padding: 14px 32px; font-size: 1rem; }
.btn-sm { padding: 7px 14px; font-size: 0.8rem; }

/* ── Form inputs ──────────────────────────────────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}

.form-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.form-input {
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  padding: 12px 16px;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  width: 100%;
}
.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}
.form-input::placeholder { color: var(--text-dim); }

/* ── Auth page layout ─────────────────────────────────────────────────────── */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-card {
  width: 100%;
  max-width: 440px;
  padding: 48px 40px;
}

.auth-logo {
  text-align: center;
  margin-bottom: 36px;
}

.auth-logo .sparkle-icon { font-size: 2.5rem; display: block; margin-bottom: 8px; }
.auth-logo h1 { font-size: 1.75rem; background: linear-gradient(135deg, var(--text), var(--primary-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.auth-logo p  { font-size: 0.875rem; margin-top: 4px; }

.auth-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.auth-divider {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.8rem;
  margin: 24px 0;
  position: relative;
}
.auth-divider::before, .auth-divider::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 42%;
  height: 1px;
  background: var(--border-subtle);
}
.auth-divider::before { left: 0; }
.auth-divider::after  { right: 0; }

.error-msg {
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.3);
  border-radius: var(--radius-sm);
  color: #fca5a5;
  font-size: 0.875rem;
  padding: 10px 14px;
  margin-top: 12px;
}

/* ── Hero section ─────────────────────────────────────────────────────────── */
.hero {
  text-align: center;
  padding: 100px 24px 60px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(124,58,237,0.12);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 0.8rem;
  color: var(--primary-light);
  margin-bottom: 24px;
  font-weight: 500;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  background: linear-gradient(135deg, var(--text) 40%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 20px;
}

.hero p {
  font-size: 1.125rem;
  max-width: 560px;
  margin: 0 auto 40px;
}

.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ── Section titles ───────────────────────────────────────────────────────── */
.section { padding: 80px 0; }
.section-title {
  font-size: 1.75rem;
  text-align: center;
  margin-bottom: 12px;
}
.section-sub {
  text-align: center;
  max-width: 480px;
  margin: 0 auto 48px;
  font-size: 0.95rem;
}

/* ── Ishihara test cards ──────────────────────────────────────────────────── */
.test-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.test-card {
  padding: 32px 24px;
  text-align: center;
  transition: border-color var(--transition), transform var(--transition);
}
.test-card:hover { border-color: var(--border); transform: translateY(-2px); }

.test-card img {
  border-radius: var(--radius);
  width: 160px;
  height: 160px;
  object-fit: cover;
  margin-bottom: 20px;
  border: 2px solid var(--border-subtle);
}

.test-card h3 { font-size: 1rem; margin-bottom: 16px; }

.radio-group { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 16px; }

.radio-option {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  padding: 6px 14px;
  cursor: pointer;
  font-size: 0.875rem;
  transition: all var(--transition);
}
.radio-option:has(input:checked) {
  background: var(--primary-glow);
  border-color: var(--primary);
  color: var(--primary-light);
}
.radio-option input[type="radio"] { display: none; }

/* ── Option cards ─────────────────────────────────────────────────────────── */
.option-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 48px;
}

.option-card {
  padding: 36px 28px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid var(--border-subtle);
  position: relative;
  overflow: hidden;
  text-decoration: none;
  display: block;
  color: var(--text);
}
.option-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary-glow), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.option-card:hover { border-color: var(--primary); transform: translateY(-3px); box-shadow: var(--shadow-glow); color: var(--text); }
.option-card:hover::before { opacity: 1; }

.option-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin: 0 auto 20px;
  box-shadow: 0 4px 16px var(--primary-glow);
}

.option-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.option-card p  { font-size: 0.85rem; margin: 0; }

/* ── Upload zone ──────────────────────────────────────────────────────────── */
.upload-section {
  padding: 48px 0;
}

.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 56px 32px;
  text-align: center;
  transition: all var(--transition);
  cursor: pointer;
  position: relative;
}
.upload-zone:hover, .upload-zone.dragover {
  border-color: var(--primary);
  background: rgba(124,58,237,0.06);
}

.upload-zone-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.6;
}

.upload-zone h3 { font-size: 1.1rem; margin-bottom: 8px; }
.upload-zone p  { font-size: 0.85rem; margin-bottom: 24px; }

.upload-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  z-index: 10;
}

.file-selected-name {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(124,58,237,0.12);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 0.85rem;
  color: var(--primary-light);
  margin-top: 12px;
  display: none;
}

/* ── Results grid ─────────────────────────────────────────────────────────── */
.results-section { padding: 48px 0; }

.results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 12px;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.result-card {
  padding: 20px;
  text-align: center;
}

.result-card-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.result-card-label .badge {
  background: var(--primary-glow);
  color: var(--primary-light);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 0.65rem;
}

.result-card img {
  width: 100%;
  max-width: 340px;
  border-radius: var(--radius);
  border: 1px solid var(--border-subtle);
  display: block;
  margin: 0 auto 12px;
}

.result-card .download-link {
  font-size: 0.8rem;
  color: var(--text-dim);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color var(--transition);
}
.result-card .download-link:hover { color: var(--primary-light); }

/* ── Risk score badge ─────────────────────────────────────────────────────── */
.risk-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 600;
}
.risk-badge.high   { background: rgba(239,68,68,0.12);  border: 1px solid rgba(239,68,68,0.35);  color: #fca5a5; }
.risk-badge.medium { background: rgba(245,158,11,0.12); border: 1px solid rgba(245,158,11,0.35); color: #fcd34d; }
.risk-badge.low    { background: rgba(16,185,129,0.12); border: 1px solid rgba(16,185,129,0.35); color: #6ee7b7; }
.risk-badge .dot   { width: 8px; height: 8px; border-radius: 50%; }
.risk-badge.high   .dot { background: var(--danger); }
.risk-badge.medium .dot { background: var(--warning); }
.risk-badge.low    .dot { background: var(--success); }

/* ── AI agent panel ───────────────────────────────────────────────────────── */
.agent-panel {
  padding: 28px 32px;
  margin-top: 24px;
}

.agent-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.agent-avatar {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  box-shadow: 0 4px 12px var(--primary-glow);
}

.agent-header-info h4 { font-size: 0.95rem; margin-bottom: 2px; }
.agent-header-info p  { font-size: 0.75rem; margin: 0; color: var(--text-dim); }

.agent-body { font-size: 0.9rem; line-height: 1.7; color: var(--text-muted); }
.agent-body p { margin-bottom: 12px; }
.agent-body p:last-child { margin-bottom: 0; }
.agent-body strong { color: var(--text); }
.agent-body ul { margin: 8px 0 12px 20px; }
.agent-body li { margin-bottom: 4px; }

.risk-high  { color: #fca5a5; font-weight: 600; }
.risk-med   { color: #fcd34d; font-weight: 600; }
.risk-low   { color: #6ee7b7; font-weight: 600; }

/* ── AI loading skeleton ──────────────────────────────────────────────────── */
.agent-loading {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.skeleton {
  height: 14px;
  background: linear-gradient(90deg, var(--surface-2) 25%, var(--surface-hover) 50%, var(--surface-2) 75%);
  background-size: 200% 100%;
  border-radius: 4px;
  animation: shimmer 1.5s infinite;
}
.skeleton:nth-child(1) { width: 90%; }
.skeleton:nth-child(2) { width: 75%; }
.skeleton:nth-child(3) { width: 85%; }
.skeleton:nth-child(4) { width: 60%; margin-top: 6px; }
@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── Chat widget ──────────────────────────────────────────────────────────── */
.chat-section { margin-top: 16px; border-top: 1px solid var(--border-subtle); padding-top: 20px; }
.chat-input-row { display: flex; gap: 10px; margin-top: 12px; }
.chat-input {
  flex: 1;
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 0.875rem;
  padding: 10px 14px;
  outline: none;
  transition: border-color var(--transition);
}
.chat-input:focus { border-color: var(--primary); }
.chat-input::placeholder { color: var(--text-dim); }

.chat-history { display: flex; flex-direction: column; gap: 12px; margin-top: 16px; }
.chat-bubble {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  line-height: 1.5;
}
.chat-bubble.user {
  background: rgba(124,58,237,0.15);
  border: 1px solid var(--border);
  color: var(--text);
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}
.chat-bubble.agent {
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}
.chat-bubble.agent strong { color: var(--text); }

/* ── Heatmap toggle ───────────────────────────────────────────────────────── */
.toggle-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.toggle {
  position: relative;
  width: 40px;
  height: 22px;
  cursor: pointer;
}
.toggle input { display: none; }
.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  transition: background var(--transition);
}
.toggle-slider::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--text-dim);
  top: 2px;
  left: 2px;
  transition: transform var(--transition), background var(--transition);
}
.toggle input:checked + .toggle-slider { background: var(--primary); border-color: var(--primary); }
.toggle input:checked + .toggle-slider::after { transform: translateX(18px); background: #fff; }

/* ── Sim type chip ────────────────────────────────────────────────────────── */
.sim-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(34,211,238,0.08);
  border: 1px solid rgba(34,211,238,0.2);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 500;
}

/* ── How it works ─────────────────────────────────────────────────────────── */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.step-card { padding: 28px 20px; text-align: center; }
.step-number {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary-light);
  margin: 0 auto 16px;
}
.step-card h4 { font-size: 0.95rem; margin-bottom: 8px; }
.step-card p  { font-size: 0.85rem; }

/* ── Footer ───────────────────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 32px 24px;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.8rem;
}

/* ── Divider ──────────────────────────────────────────────────────────────── */
.divider { height: 1px; background: var(--border-subtle); margin: 48px 0; }

/* ── Alerts ───────────────────────────────────────────────────────────────── */
.alert {
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  margin-bottom: 16px;
}
.alert-error   { background: rgba(239,68,68,0.1);  border: 1px solid rgba(239,68,68,0.3);  color: #fca5a5; }
.alert-success { background: rgba(16,185,129,0.1); border: 1px solid rgba(16,185,129,0.3); color: #6ee7b7; }
.alert-info    { background: rgba(34,211,238,0.08); border: 1px solid rgba(34,211,238,0.2); color: var(--accent); }

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .navbar { padding: 0 16px; }
  .hero   { padding: 72px 16px 48px; }
  .hero h1 { font-size: 2.25rem; }
  .test-grid, .option-grid, .steps-grid { grid-template-columns: 1fr; }
  .results-grid { grid-template-columns: 1fr; }
  .auth-card { padding: 36px 24px; }
  .agent-panel { padding: 20px; }
  .chat-input-row { flex-direction: column; }
}

/* ══ Simple journey (home upload, check page, teams) ═════════════════════════ */

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.page-title { font-size: clamp(1.6rem, 4vw, 2.2rem); margin-bottom: 8px; }
.page-sub   { margin-bottom: 28px; }
.optional   { color: var(--text-dim); font-weight: 400; font-size: .85em; }

/* Upload form */
.hero-check { padding-bottom: 40px; }
.hero-upload { max-width: 620px; text-align: left; }
.upload-form .upload-zone { display: block; padding: 40px 24px; }
.upload-form .upload-zone p { margin-bottom: 8px; }
.upload-form .file-selected-name { display: none; }

.vision-picker {
  border: 0; margin: 20px 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px;
}
.vision-picker legend { font-weight: 600; font-size: .95rem; margin-bottom: 10px; color: var(--text); }
.vision-option {
  display: flex; flex-direction: column; gap: 2px; cursor: pointer;
  padding: 12px 14px; border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle); background: var(--surface-2);
  transition: border-color var(--transition), background var(--transition);
}
.vision-option:hover { background: var(--surface-hover); }
.vision-option input { position: absolute; opacity: 0; pointer-events: none; }
.vision-option:has(input:checked) { border-color: var(--primary-light); background: rgba(124,58,237,.16); }
.vision-option:has(input:checked) .vision-name::before { content: '● '; color: var(--primary-light); }
.vision-option:has(input:focus-visible) { outline: 2px solid var(--accent); outline-offset: 2px; }
.vision-name   { font-weight: 600; color: var(--text); }
.vision-detail { font-size: .78rem; color: var(--text-muted); }
.vision-hint   { font-size: .82rem; margin: 10px 0 0; }

.upload-submit { width: 100%; justify-content: center; margin-top: 20px; }
.upload-submit:disabled { opacity: .7; cursor: progress; transform: none; }
.upload-promise { text-align: center; font-size: .8rem; color: var(--text-dim); margin-top: 10px; }
.upload-form .alert { margin-top: 16px; }

/* Audience + steps */
.audience-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px; margin-top: 32px;
}
.audience-card { padding: 28px; }
.audience-card h3 { margin: 8px 0 12px; }
.audience-card ul { padding-left: 18px; display: grid; gap: 8px; color: var(--text-muted); }
.audience-icon { font-size: 1.8rem; }
.steps-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

/* Teams */
.teams-card { padding: 36px; }
.teams-card h2 { margin-bottom: 12px; }
.teams-card > p { margin-bottom: 24px; }
.lead-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.lead-form .alert { margin-bottom: 16px; }

/* Results */
.results-section { padding-top: 40px; }
.results-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }

.verdict {
  display: flex; gap: 18px; align-items: flex-start;
  padding: 22px 24px; border-radius: var(--radius); border: 1px solid; margin-bottom: 20px;
}
.verdict h2 { font-size: 1.3rem; margin-bottom: 4px; }
.verdict p  { margin: 0; }
.verdict-icon {
  flex: 0 0 auto; width: 44px; height: 44px; display: grid; place-items: center;
  font-size: 1.4rem; font-weight: 800; color: #0b0b1a;
}
/* Shape differs per level (circle / triangle / square) as well as colour */
.verdict-good, .verdict-none { background: rgba(16,185,129,.08); border-color: rgba(16,185,129,.35); }
.verdict-good .verdict-icon, .verdict-none .verdict-icon { background: var(--success); border-radius: 50%; }
.verdict-some { background: rgba(245,158,11,.08); border-color: rgba(245,158,11,.4); }
.verdict-some .verdict-icon {
  background: var(--warning); clip-path: polygon(50% 4%, 98% 94%, 2% 94%); padding-top: 12px;
}
.verdict-serious { background: rgba(239,68,68,.08); border-color: rgba(239,68,68,.4); }
.verdict-serious .verdict-icon { background: var(--danger); border-radius: 6px; color: #fff; }

.vision-switch { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 24px; font-size: .9rem; }
.vision-chip {
  font: inherit; font-size: .85rem; padding: 6px 14px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--border-subtle); background: var(--surface-2); color: var(--text);
}
.vision-chip:hover:not(:disabled) { background: var(--surface-hover); }
.vision-chip.active { border-color: var(--primary-light); background: rgba(124,58,237,.2); cursor: default; }
.vision-chip.active::before { content: '● '; color: var(--primary-light); }
.vision-chip:disabled { opacity: .6; cursor: progress; }

.compare-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.compare-grid figure, .details-grid figure { margin: 0; }
.result-card-main { border-color: var(--border); }
.download-btn { margin-top: 10px; }
.compare-note { font-size: .85rem; margin: 12px 0 32px; }

.details-panel { margin-top: 24px; padding: 18px 22px; }
.details-panel summary { cursor: pointer; font-weight: 600; color: var(--text); }
.details-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin-top: 16px; }
.details-stats { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 16px; font-size: .9rem; }
.details-stats dt { color: var(--text-dim); font-size: .8rem; }
.details-stats dd { margin: 0; color: var(--text); }

.test-result { margin-top: 12px; font-size: .85rem; }
.footer a { color: var(--text-muted); }

@media (max-width: 768px) {
  .vision-picker { grid-template-columns: 1fr; }
  .compare-grid  { grid-template-columns: 1fr; }
  .lead-row      { grid-template-columns: 1fr; }
  .verdict       { padding: 18px; }
}

/* The upload form inside the hero must not inherit the large hero paragraph style */
.hero-upload p { font-size: .85rem; max-width: none; margin: 0 0 8px; }
.hero-upload .vision-hint { margin-top: 10px; text-align: left; }
.hero-upload .upload-promise { text-align: center; margin-top: 10px; }